How To Fix /SAPAPO/PDEM021 - No valid realignment step found at &2 for InfoProvider &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/PDEM -

• Message number: 021

• Message text: No valid realignment step found at &2 for InfoProvider &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/PDEM021 - No valid realignment step found at &2 for InfoProvider &1 ?

  The SAP error message /SAPAPO/PDEM021 indicates that there is no valid realignment step found for a specific InfoProvider in the context of SAP Advanced Planning and Optimization (APO). This error typically arises during the execution of a planning function or when trying to perform a realignment process.
  Cause:
  
  Missing Realignment Steps: The realignment steps for the specified InfoProvider may not be defined or may have been deleted.
  Incorrect Configuration: The configuration for the InfoProvider might be incorrect, leading to the system not being able to find the necessary realignment steps.
  Transport Issues: If the InfoProvider or its associated realignment steps were transported from one system to another, there might be inconsistencies or missing objects.
  Versioning Issues: There may be versioning issues where the realignment steps are not compatible with the current version of the InfoProvider.
  
  Solution:
  
  Check Realignment Steps: Go to the configuration of the InfoProvider and verify if the realignment steps are defined correctly. You can do this in the SAP APO system under the relevant planning area.
  Create or Adjust Realignment Steps: If no valid realignment steps exist, you may need to create new ones or adjust existing ones to ensure they are valid for the InfoProvider in question.
  Transport Check: If the issue arose after a transport, check the transport logs to ensure that all necessary objects were transported correctly. You may need to re-transport missing objects.
  Consistency Check: Run consistency checks for the InfoProvider and the associated planning area to identify any discrepancies.
  Consult Documentation: Refer to SAP documentation or notes related to the specific version of APO you are using for any known issues or additional troubleshooting steps.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like /SAPAPO/SDP94 (for planning book) or /SAPAPO/MC62 (for InfoProvider) to check configurations.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Support: If the issue persists, consider reaching out to SAP support for further assistance, providing them with the error details and any steps you have already taken.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.